docs: def _get_calculated_status(self):
          """Get the calculated status of the page based on
          :attr:`Page.publication_date`,
          :attr:`Page.publication_end_date`,
          and :attr:`Page.status`."""
          if settings.PAGE_SHOW_START_DATE and self.publication_date:
              if self.publication_date > get_now():
                  return self.DRAFT
  
          if settings.PAGE_SHOW_END_DATE and self.publication_end_date:
              if self.publication_end_date < get_now():
                  return self.EXPIRED
  
          return self.status